To change the hours on an existing working pattern template follow the steps below:
Go to Setup and click Settings.
Select Module Settings and then HR.
Click Working Pattern Template.
Search for the template and click it.
You can now change the number of hours for each day and click Save.
📌 Note: To be able to enter hours for each day of the week, the template needs to be set up as Simple Hours. To do this, click the Type dropdown list on the template and select Simple Hours.